special agricultural & animal science researh center

abeille domestique abonos fosfatados abortion aborto agricultural research antimicrobial properties arid zones atmosfera atmosphere avortement biosafety bioseguridad bovin bovine mastitis breeding cattle chickens fixation de l'azote ganado bovino gene genes genetic engineering hipomagnesemia honey bees hypomagnesaemia legumes leguminosas mammite bovine mejora micro-organisme microorganismos microorganisms nitrogen fixation ovin ovinos phosphate fertilizers pollo poulet propiedades antimicrobianas recherche agronomique selenio selenium sheep specific pathogen free state trigo uses usos utilisation varroa jacobsoni vitamin e vitamina e vitamine e wheats zone aride